HCF of two co-primes (say \( x \) and \( y \) ) is (a) \( x \) (b) \( \gamma \) (c) \( x y \)

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HCF of two co-primes (say \( x \) and \( y \) ) is
(a) \( x \)
(b) \( \gamma \)
(c) \( x y \)
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